Pocket sized, key-style field guide for identifying spring wildflowers and flower families. Area covered is US and southern Canada, east of the Rockies and north of the Smokies.
Work through the key, answering a series of simple questions, to find the family the flower belongs to, and then the name of the individual species.

Guide to identifying native (and some widely introduced) trees of U.S. and Canada east of the Rocky Mountains. Organized as a dichotomous key, the book leads the user through a series of simple questions about the shape or appearance of different parts of a tree. Includes 161 species. Illustrated with line drawings. The small (6" by 4") format fits in pocket or pack to take along on a hike.

This pocket-sized field guide identifies plants and animals that live in the intertidal zone of the rocky coast, from Cape Cod north to the Bay of Fundy, in tide pools, caves, and crevices, and on rocks, wharves and pilings. Explains intertidal ecology and how these fascinating and varied creatures--sea slugs, crabs, rockweeds, star fish, and many others--survive in the harsh and ever-changing environment between the limits of high and low tide.

A pocket guide to identifying native ferns that grow in the U.S. Midwest and Northeast, and eastern Canada. Like other plant guides in the "Finders" series, "Fern Finder" is a dichotomous key, which leads the user step-by-step through a series of choices to the species being identified. Heavily illustrated with line drawings.